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SIGABA

Known as: ECM Mark II, CSP-888, M-134-C 
In the history of cryptography, the ECM Mark II was a cipher machine used by the United States for message encryption from World War II until the… Expand
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Papers overview

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2014
2014
A while ago I attended a symposium sponsored by the National Security Agency on cryptologic history. The NSA is a secretive US… Expand
2008
2008
CRYPTANALYSIS OF THE SIGABA CIPHER By Heather Ellie Kwong SIGABA is a rotor-based cipher machine that is famous for its service… Expand
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2008
2008
CRYPTANALYSIS OF THE SIGABA CIPHER By Heather Ellie Kwong SIGABA is a rotor-based cipher machine that is famous for its service… Expand
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2007
2007
CRYPTANALYSIS OF SIGABA 
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2007
2007
Abstract In this article, we consider an attack on the SIGABA cipher under the assumption that the largest practical keyspace is… Expand
2006
2006
We argue that the complete Klebanov-Witten flow solution must be described by a Calabi-Yau metric on the conifold, interpolating… Expand
Highly Cited
2005
Highly Cited
2005
Acknowledgments The author acknowledges sponsorship from the U.S. Department of Homeland Security, Science and Technology… Expand
2002
2002
The ECM Mark II has been described previously in Cryptologia [1]. An analysis of the motion of the rotors is presented here. A… Expand
1999
1999
The ECM Mark II, a highly secure electromechanical cipher machine used during and after World War II, is described and examined… Expand